Move the exif module files to their new homes (rename-only commit).

--HG--
rename : modules/exif/controllers/exif.php => modules/exif/classes/Exif/Controller/Exif.php
rename : modules/exif/helpers/exif.php => modules/exif/classes/Exif/Exif.php
rename : modules/exif/helpers/exif_event.php => modules/exif/classes/Exif/Hook/ExifEvent.php
rename : modules/exif/helpers/exif_installer.php => modules/exif/classes/Exif/Hook/ExifInstaller.php
rename : modules/exif/helpers/exif_task.php => modules/exif/classes/Exif/Hook/ExifTask.php
rename : modules/exif/helpers/exif_theme.php => modules/exif/classes/Exif/Hook/ExifTheme.php
rename : modules/exif/models/exif_key.php => modules/exif/classes/Exif/Model/ExifKey.php
rename : modules/exif/models/exif_record.php => modules/exif/classes/Exif/Model/ExifRecord.php
rename : modules/exif/lib/exif.php => modules/exif/vendor/exifer/exif.php
rename : modules/exif/lib/makers/canon.php => modules/exif/vendor/exifer/makers/canon.php
rename : modules/exif/lib/makers/fujifilm.php => modules/exif/vendor/exifer/makers/fujifilm.php
rename : modules/exif/lib/makers/gps.php => modules/exif/vendor/exifer/makers/gps.php
rename : modules/exif/lib/makers/nikon.php => modules/exif/vendor/exifer/makers/nikon.php
rename : modules/exif/lib/makers/olympus.php => modules/exif/vendor/exifer/makers/olympus.php
rename : modules/exif/lib/makers/panasonic.php => modules/exif/vendor/exifer/makers/panasonic.php
rename : modules/exif/lib/makers/sanyo.php => modules/exif/vendor/exifer/makers/sanyo.php
rename : modules/exif/views/exif_dialog.html.php => modules/exif/views/exif/dialog.html.php
rename : modules/exif/views/exif_sidebar.html.php => modules/exif/views/exif/sidebar.html.php
Fix the exif module class declarations.
Add the exif module transparent-extension-enabling files.
Search and replace in exif module (38 places).
Move the slideshow module files to their new homes (rename-only commit).

--HG--
rename : modules/slideshow/helpers/slideshow_event.php => modules/slideshow/classes/Slideshow/Hook/SlideshowEvent.php
rename : modules/slideshow/helpers/slideshow_installer.php => modules/slideshow/classes/Slideshow/Hook/SlideshowInstaller.php
rename : modules/slideshow/helpers/slideshow_theme.php => modules/slideshow/classes/Slideshow/Hook/SlideshowTheme.php
Fix the slideshow module class declarations.
Add the slideshow module transparent-extension-enabling files.
Search and replace in slideshow module (16 places).
Move the image block module files to their new homes (rename-only commit).

--HG--
rename : modules/image_block/controllers/image_block.php => modules/image_block/classes/ImageBlock/Controller/ImageBlock.php
rename : modules/image_block/helpers/image_block_block.php => modules/image_block/classes/ImageBlock/Hook/ImageBlockBlock.php
rename : modules/image_block/helpers/image_block_installer.php => modules/image_block/classes/ImageBlock/Hook/ImageBlockInstaller.php
rename : modules/image_block/views/image_block_block.html.php => modules/image_block/views/image_block/block.html.php
Add the image block module transparent-extension-enabling files.
Fix the image block class declarations.
Search and replace in the image block module (15 places).
Change examples used in Gallery_ORM::_initialize() comments.  No functional changes.
Merge pull request #248 from shadlaws/k3_exif_slideshow_image_block_module_translate

K3 exif, slideshow, and image block modules translation.